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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Brink, Bastian
Technical University of Denmark
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (10/10 displayed)
- 2017The ternary Fe-C-N system: Homogeneous distributions of nitrogen and carboncitations
- 2017The ternary Fe-C-N system: Homogeneous distributions of nitrogen and carboncitations
- 2017On the elusive crystal structure of expanded austenitecitations
- 2017Effect of carbon on interstitial ordering and magnetic properties of ε-Fe2(N,C)1-zcitations
- 2017Effect of carbon on interstitial ordering and magnetic properties of ε-Fe2(N,C) 1-zcitations
- 2016Composition-dependent variation of magnetic properties and interstitial ordering in homogeneous expanded austenitecitations
- 2016On the Carbon Solubility in Expanded Austenite and Formation of Hägg Carbide in AISI 316 Stainless Steelcitations
- 2016On the Carbon Solubility in Expanded Austenite and Formation of Hägg Carbide in AISI 316 Stainless Steelcitations
- 2014Thermal expansion and phase transformations of nitrogen-expanded austenite studied with in situ synchrotron X-ray diffractioncitations
- 2014Thermal expansion and phase transformations of nitrogen-expanded austenite studied with in situ synchrotron X-ray diffractioncitations
Places of action
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article
On the elusive crystal structure of expanded austenite
Abstract
No consistent structural description exists for expanded austenite that accurately accounts for the hkl-dependent peak shifts and broadening observed in diffraction experiments. The best available description for homogeneous samples is a face-centered cubic lattice with stacking faults. Here Debye simulations of stacking fault effects were compared to experimental data for macro-stress free homogeneous expanded austenite to show that a faulted structure cannot explain the observed peak displacement anomalies. Instead it is argued that the shifts are the combined result of elastic and plastic anisotropy leading to (strongly) non-linear hkl-dependent elastic behavior during composition-induced plastic deformation on synthesis of expanded austenite.